/*
 * Copyright 2000-2013 Vaadin Ltd.
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */
package com.vaadin.tests.components.table;

import org.junit.Assert;
import org.junit.Test;

import com.vaadin.testbench.elements.TableElement;
import com.vaadin.testbench.elements.ButtonElement;
import com.vaadin.tests.tb3.MultiBrowserTest;

/**
 * Tests if the sort indicator is visible after the table has been sorted from
 * the serverside.
 *
 * @author Vaadin Ltd
 */
public class TableSortingIndicatorTest extends MultiBrowserTest {
    private static final String TABLE_HEADER_DESC_INDICATOR = "v-table-header-cell-desc";
    private static final String TABLE_HEADER_ASC_INDICATOR = "v-table-header-cell-asc";

    @Test
    public void testTableSortingIndicatorIsVisibleAfterServersideSort() {
        openTestURL();

        ButtonElement button = $(ButtonElement.class).caption("Sort").first();
        TableElement table = $(TableElement.class).first();

        Assert.assertFalse("Descending indicator was prematurely visible",
                getHeaderClasses(table).contains(TABLE_HEADER_DESC_INDICATOR));
        Assert.assertFalse("Ascending indicator was prematurely visible",
                getHeaderClasses(table).contains(TABLE_HEADER_ASC_INDICATOR));

        button.click();
        Assert.assertTrue("Indicator did not become visible",
                getHeaderClasses(table).contains(TABLE_HEADER_DESC_INDICATOR));
        Assert.assertFalse("Ascending sort indicator was wrongly visible",
                getHeaderClasses(table).contains(TABLE_HEADER_ASC_INDICATOR));

        table.getHeaderCell(0).click();
        Assert.assertFalse("Table sort indicator didn't change",
                getHeaderClasses(table).contains(TABLE_HEADER_DESC_INDICATOR));
        Assert.assertTrue("Ascending sort indicator didn't become visible",
                getHeaderClasses(table).contains(TABLE_HEADER_ASC_INDICATOR));

        button.click();
        Assert.assertTrue(
                "Descending sort indicator didn't appear on the second serverside sort.",
                getHeaderClasses(table).contains(TABLE_HEADER_DESC_INDICATOR));
        Assert.assertFalse("Ascending sort indicator didn't disappear",
                getHeaderClasses(table).contains(TABLE_HEADER_ASC_INDICATOR));
    }

    private String getHeaderClasses(TableElement table) {
        return table.getHeaderCell(0).getAttribute("class");
    }
}